be动词用法总结5.ppt

学习目标 1.掌握be动词的定义：Be动词是系动词的一种，表示 “是”的意思。现在式有“am , is, are”三种，这三种的原形动词是be，所以他们称为be动词。 2.掌握Be动词简单的三种用法：be动词与人称代词的搭配， 含be动词的一般疑问句和否定句。 3.学会自主合作学习 自学指导 1.自主学习，读已给出的句子，并找出句中be动词的用法规律，在读的过程中用笔勾画出每个句中拥有的共同点和特殊点。读完画完后，每组派一个代表对这些句子里的语言规律和用法进行总结，并组与组之间进行展示评比。在每个环节回答问题的过程中，组里同一个同学连续多次回答问题，并不加分。必须让组里的每一个成员都积极的加入到我们的学习活动中来。 2.合作探究抢答游戏，每组准备10个有关be动词用法的问题，并向其他组进行提问，各组积极回答问题，答对一题加1分，答错一题扣1分,游戏结束后，提出问题这一组，对其他回答问题的小组进行点评。 3.当堂检测，练习巩固，教师布置练习题 独立完成并在组内纠错，小组内交流各自对知识点的掌握情况。 小组内对比、纠正并补充 知识点。 各小组对组内存在的问题进行探究并解决或向老师寻求帮助。 be动词是哪三个？ Step1.自主学习 I am a boy. You are my good friend. We are in China. They are my friends. You and I are girls. She is fine. He is a teacher. I am a boy. You are my good friend. We are in China. They are my friends. You and I are girls. She is fine. He is a teacher. 综合解析 当使用be动词的时候，前面请先加上第几人称。 be动词前面的人称，是不可随意替换的。 例如： I am, You are, She is， 并不会出现 I is, You am, She are 这样的情形。 I am Mary. 否定句： I am not Mary We are sisters. 否定句：We are not sisters He is Jack. 否定句：He is not Jack She is her sister. 否定句：She is not her sister You are a teacher. 否定句：You are not a teacher. They are friends. 否定句：They are not friends. It is a pen. 否定句：It is not a pen. This is his uncle. 否定句：This is not his uncle. That is her jacket. 否定句：That is not her jacket. These are her parents. 否定句：These are not her parents. Those are her books. 否定句：Those are not her books. The pen is red. 否定句：The pen is not red. Linda and Mary are sisters. 否定句：Linda and Mary are not sisters. . 总结： I am Mary. 否定句： I am not Mary We are sisters. 否定句：We are not sisters He is Jack. 否定句：He is not Jack She is her sister. 否定句：She is not her sister You are a teacher. 否定句：You are not a teacher. They are friends. 否定句：They are not